supply of supply of three phase prepaid meter system: - 3*240vac, 3 phase 4 wire keypad based fully type tested, bis (is: 13779 & is: 15884) marked, 20-80 amps. base mounted direct current operate prepaid energy meter having capacitive touch keypad, calibration led & load controlling feature & provisions for tod (time of day) tariff and r.t.c. (real time clock). in a suitable tamper proof smc type box/ poly carbonate box with a parallel bluetooth enabled capacitive touch freedom unit including 5 years annual charges for vending transactionsupply of three phase prepaid meter system: - 3*240vac, 3 phase 4 wire keypad based fully type tested, bis (is: 13779 & is: 15884) marked, 20-80 amps. base mounted direct current operate prepaid energy meter having capacitive touch keypad, calibration led & load controlling feature & provisions for tod (time of day) tariff and r.t.c. (real time clock). in a suitable tamper proof smc type box/ poly carbonate box with a parallel bluetooth enabled capacitive touch freedom unit including 5 years annual charges for vending transaction,supply of three phase prepaid meter system: - 3*240vac, 3 phase 4 wire keypad based fully type tested, bis (is: 13779 & is: 15884) marked, 20-80 amps. base mounted direct current operate prepaid energy meter having capacitive touch keypad, calibration led & load controlling feature & provisions for t od (time of day) tariff and r.t.c. (real time clock). in a suitable tamper proof smc type box/ poly carbona te box with a parallel bluetooth enabled capacitive touch freedom unit including 5 years annual charges fo r vending transaction . warranty of meter should be 10 years make:- secure , l & t , hpl or similar ]